Now i dont have any problems with the GPU's cooling cuz i dont play any games on Ubuntu but my cpu is always very hot any were between 50c and 60c @ an average of 2700 rpms depending on what im doing
i was wondering if anybody knows of a app for controling the fan speeds that will work with Ubuntu 10.4 amd64

with win 7x64, i use speedfan ,evga precision OC utility , and ASUS turboV and ASUS Q-Fan to overclock and control fan speeds

im about to clear ubuntu off my HDD cuz without any utilities to control my fan speeds I realy have no use for it seeing as i dont want to damage my MB,cpu, and GPU's with heat
its actually crazy how much cooler i can keep my system in windows than ubuntu almost 10c
any suggestions would be much appreciated

lm-sensors supports a LOT of sensors and mobos now. It's a bit of a PITA to set up, though.

I use Gnome Sensors on Fedora. It can use the libsensors library, which is provided by lm-sensors, but it can also use other interfaces, such as acpi. Unfortunately, neither lm-sensors or these other packages provide the ability to tweak the fan speeds or other hardware settings, AFAIK. They are strictly monitoring applications, not controlling apps.

Once you set up lm-sensors, you can use pwmcontrol to check for controllable fans, and then you can control it.

Your motherboard will have adaptive fan controls in its BIOS as well, I've worked on similar boards to that ASUS model, so you can also use that. Finally, although its running 10C higher, the point where heat will cause damage to a CPU or GPU is considerably higher than the point at which it ceases to function.

In other words, if the machine is stable, and not crashing, you're not doing damage, and the temps are fine.